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National Instruments Corp.
17
NI 9207E Operating Instructions and Specifications
Input noise
Voltage channels
High-resolution mode .......... 16
μ
V
rms
High-speed mode ................. 80
μ
V
rms
Current channels
High-resolution mode .......... 50 nA
rms
High-speed mode ................. 200 nA
rms
Stability
Voltage channels
Gain drift.............................. ±21 ppm/°C
Offset drift............................ ±14
μ
V/°C
Current channels
Gain drift.............................. ±43 ppm/°C
Offset drift............................ ±30 nA/°C
CMRR (
f
in
= 0 to 60 Hz),
voltage channels only ....................... 86 dB
NMRR (High-resolution mode only)
50 Hz .......................................... 66 dB
60 Hz .......................................... 68 dB